nanocore | ceddd535a300944577bb19bd278fcc1cc239531f7fdf81b3d5a0ba7ed5e3193e

General

Target

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
Size

381KB
MD5

891820fd2e1bbe5f5f74cd2b77a1f6b9
SHA1

682a00cb848ded94d88e218f222803214a040774
SHA256

0d2e62e016f98d3213e3ac755d335795035b76f6ad9d6b5370df9ca0cced055c
SHA512

545fe42e8191657d7e45db77f58c1e83d9c8839ce07da1c1dcecb8d08056a4ca61ed2ab70e5498e15fb30e95df6b73703bd181a3d0f25040e1004f46a0c8a03c
SSDEEP

6144:wRHGKZMkhBE45nstM7gSD3OqpNsvSUvyvdLkld9Bgxoa4zrfVqAhRLh42ZdzMovS:a2SBHnsWMS3Ns5vyVcdmo9TjpKsQ7Y4

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kamuchehddhgfgf.ddns.net:1187

37.0.10.22:1187

Mutex

9ff0e8a4-a323-4111-bc49-0daecb63120d

Attributes

activate_away_mode
true
backup_connection_host
37.0.10.22
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-17T00:05:39.048278936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1187
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
9ff0e8a4-a323-4111-bc49-0daecb63120d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kamuchehddhgfgf.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansvc.exe"	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

description	pid	process	target process
PID 1108 set thread context of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

Drops file in Program Files directory 2 IoCs

Processes:

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\WAN Service\wansvc.exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
File created	C:\Program Files (x86)\WAN Service\wansvc.exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

pid	process
3456	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
3456	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
3456	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
3456	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

pid process

3456 Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

description pid process

Token: SeDebugPrivilege 3456 Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

description	pid	process
Token: SeDebugPrivilege	3456	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

description	pid	process	target process
PID 1108 wrote to memory of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
PID 1108 wrote to memory of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
PID 1108 wrote to memory of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
PID 1108 wrote to memory of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
PID 1108 wrote to memory of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
PID 1108 wrote to memory of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
PID 1108 wrote to memory of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
PID 1108 wrote to memory of 3456	1108	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe	Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe

C:\Users\Admin\AppData\Local\Temp\Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
"C:\Users\Admin\AppData\Local\Temp\Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1108

C:\Users\Admin\AppData\Local\Temp\Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe
"C:\Users\Admin\AppData\Local\Temp\Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4572 --field-trial-handle=2320,i,3025503729105798828,9325691672526736153,262144 --variations-seed-version /prefetch:8
1⤵
PID:2512

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Circular PSSB Parts Disc Credit Term (Dlr) Oct2021 (1).exe.log
Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
memory/1108-9-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/1108-2-0x0000000001610000-0x0000000001620000-memory.dmp

Filesize
64KB

Download
memory/1108-3-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/1108-1-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/1108-0-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/3456-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3456-7-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/3456-8-0x00000000014D0000-0x00000000014E0000-memory.dmp

Filesize
64KB

Download
memory/3456-10-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/3456-12-0x00000000014D0000-0x00000000014E0000-memory.dmp

Filesize
64KB

Download
memory/3456-14-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/3456-15-0x00000000014D0000-0x00000000014E0000-memory.dmp

Filesize
64KB

Download
memory/3456-16-0x00000000014D0000-0x00000000014E0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads